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P=VI= 240 x 10 = 2400W
I= 2400÷250 =9.6A
Q=It= 9.6 x7x60= 4032C
Q=mc* theta= 5x4200xtheta= 4032
theta=19.2°C
T=20°+19.2°C= 39.2°C
Alambi answered the question on July 11, 2018 at 14:17
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